Pingwei Yin

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Heilongjiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Bogie and side frame thereof
- Patent number 9,216,748
- Issue date Dec 22, 2015
- Qiqihar Railway Rolling Stock Co., Ltd.
- Shifeng Xu
- B61 - RAILWAYS
Information Patent Grant
Journal box rubber pad and bogie
- Patent number 8,561,548
- Issue date Oct 22, 2013
- Qiqihar Railway Rolling Stock Co., Ltd.
- Zhenming Liu
- B61 - RAILWAYS
Information Patent Grant
Bogie
- Patent number 8,561,546
- Issue date Oct 22, 2013
- Qiqihar Railway Rolling Stock Co., Ltd.
- Zhenming Liu
- B61 - RAILWAYS
Information Patent Grant
Freight car bogie and freight car
- Patent number 8,448,580
- Issue date May 28, 2013
- Qiqihar Railway Rolling Stock Co., Ltd.
- Zhenming Liu
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
BOGIE AND AXLE BOX SUSPENSION POSITIONING DEVICE THEREOF
- Publication number 20150367867
- Publication date Dec 24, 2015
- Qiqihar Railway Rolling Stock Co., Ltd. Dalian R&D Centre
- Shifeng XU
- B61 - RAILWAYS
Information Patent Application
BOGIE AND SIDE FRAME THEREOF
- Publication number 20140165871
- Publication date Jun 19, 2014
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD
- Shifeng Xu
- B61 - RAILWAYS
Information Patent Application
JOURNAL BOX RUBBER PAD AND BOGIE
- Publication number 20130008338
- Publication date Jan 10, 2013
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD
- ZHENMING LIU
- B61 - RAILWAYS
Information Patent Application
BOGIE
- Publication number 20130008337
- Publication date Jan 10, 2013
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD
- Zhenming Liu
- B61 - RAILWAYS
Information Patent Application
FREIGHT CAR BOGIE AND FREIGHT CAR
- Publication number 20110247520
- Publication date Oct 13, 2011
- DALIAN QICHE RAILWAY ROLLING STOCK CO., LTD
- ZHENMING LIU
- B61 - RAILWAYS